001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package org.apache.logging.log4j.io.internal;
019
020import java.io.IOException;
021import java.io.OutputStream;
022import java.nio.charset.Charset;
023
024import org.apache.logging.log4j.Level;
025import org.apache.logging.log4j.Marker;
026import org.apache.logging.log4j.io.ByteStreamLogger;
027import org.apache.logging.log4j.spi.ExtendedLogger;
028
029/**
030 * Internal class that exists primarily to allow location calculation to work.
031 *
032 * @since 2.12
033 */
034public class InternalOutputStream extends OutputStream {
035
036    private final ByteStreamLogger logger;
037    private final String fqcn;
038
039    public InternalOutputStream(final ExtendedLogger logger, final Level level, final Marker marker,
040                                 final Charset charset, final String fqcn) {
041        this.logger = new ByteStreamLogger(logger, level, marker, charset);
042        this.fqcn = fqcn;
043    }
044
045    @Override
046    public void close() throws IOException {
047        this.logger.close(this.fqcn);
048    }
049
050    @Override
051    public void flush() throws IOException {
052        // do nothing
053    }
054
055    @Override
056    public void write(final byte[] b) throws IOException {
057        this.logger.put(this.fqcn, b, 0, b.length);
058    }
059
060    @Override
061    public void write(final byte[] b, final int off, final int len) throws IOException {
062        this.logger.put(this.fqcn, b, off, len);
063    }
064
065    @Override
066    public void write(final int b) throws IOException {
067        this.logger.put(this.fqcn, (byte) (b & 0xFF));
068    }
069}